/* 和 servo.dekooz.com 同一套设计：CSS 变量、浅色 / 深色跟随系统、卡片、16px 边距。 */
:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dfe2e8;
  --text: #1d2330;
  --muted: #667085;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --ok: #059669;
  --bad: #dc2626;
  --warn: #b45309;
  --row-hover: #eef2ff;
  --row-selected: #dbe4ff;
  --log-bg: #0f172a;
  --log-text: #cbd5e1;
  --view-bg: #eef0f4;
  --plate: #dde1e8;
  --plate-grid: #c9ced8;
  --plate-grid-major: #9aa3b2;
  --plate-edge: #8a94a6;
  --section: #eb6834;
  --section-fill: rgba(235, 104, 52, .14);
  /* 零件颜色：dataviz 参考色板，按导入顺序分配 */
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #6250d6; --series-8: #e34948;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141a;
    --panel: #1a1f29;
    --border: #2c3443;
    --text: #e5e9f0;
    --muted: #98a2b3;
    --accent: #4f8bff;
    --accent-text: #0b1020;
    --ok: #34d399;
    --bad: #f87171;
    --warn: #fbbf24;
    --row-hover: #222a3a;
    --row-selected: #26324d;
    --log-bg: #0b0f17;
    --log-text: #cbd5e1;
    --view-bg: #141922;
    --plate: #262d3a;
    --plate-grid: #313a4a;
    --plate-grid-major: #4b5568;
    --plate-edge: #5d687d;
    --section: #ff8a57;
    --section-fill: rgba(255, 138, 87, .16);
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #2f9e2f; --series-7: #9085e9; --series-8: #e66767;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}
a { color: var(--accent); }
header { background: var(--panel); border-bottom: 1px solid var(--border); }
header .bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  max-width: 1280px; margin: 0 auto; padding: 12px 16px;
}
header h1 { font-size: 16px; margin: 0; }
header .tagline { color: var(--muted); font-size: 13px; }
header .header-link { margin-left: auto; font-size: 14px; color: var(--muted); text-decoration: none; white-space: nowrap; }
header .header-link:hover { color: var(--accent); }
header .lang { width: auto; }
main {
  display: grid; grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); gap: 16px;
  padding: 16px; max-width: 1280px; margin: 0 auto;
}
@media (max-width: 860px) { main { grid-template-columns: minmax(0, 1fr); } }
main > section { min-width: 0; }
.wide { max-width: 1280px; margin: 0 auto; padding: 0 16px 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px;
  min-width: 0;
}
.card + .card { margin-top: 16px; }
.card h2 { font-size: 14px; margin: 0 0 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.card h3 { font-size: 13px; margin: 0 0 8px; }
.block + .block { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.badge {
  font-size: 12px; font-weight: 500; padding: 1px 8px; border-radius: 999px;
  background: var(--row-selected); color: var(--text);
}
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
button {
  font: inherit; padding: 6px 12px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text);
}
button.secondary { background: transparent; color: var(--accent); }
button.danger { border-color: var(--bad); background: transparent; color: var(--bad); }
button.estop { background: var(--bad); color: #fff; font-weight: 700; }
button:disabled { opacity: .45; cursor: not-allowed; }
button:focus-visible, select:focus-visible, input:focus-visible, .drop:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.link-btn {
  border: none; background: none; color: var(--accent); padding: 0 2px; font-size: 12px; font-weight: 500;
}
.link-btn.danger { color: var(--bad); }
.h-end { margin-left: auto; }
input[type=number], input[type=text], select {
  font: inherit; width: 90px; padding: 5px 6px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
}
select { width: auto; max-width: 100%; }
input[type=text] { width: 160px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
label.inline { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); flex-wrap: wrap; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0; }
.muted { color: var(--muted); font-size: 12px; }
p.muted { margin: 6px 0; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.warn-text { color: var(--warn); }
.empty { color: var(--muted); padding: 18px 4px; text-align: center; }
.note {
  margin: 8px 0; padding: 8px 10px; border-radius: 8px; font-size: 13px;
  border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--border));
  background: color-mix(in srgb, var(--warn) 7%, var(--panel));
}
.note.info {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--panel));
}
.note.danger {
  border-color: var(--bad);
  background: color-mix(in srgb, var(--bad) 7%, var(--panel));
}
.note ul { margin: 4px 0 0; padding-left: 1.2em; }
.note p { margin: 0 0 4px; }

/* 导入 */
.drop {
  border: 2px dashed var(--border); border-radius: 10px; padding: 18px 12px; text-align: center; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; align-items: center;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--row-hover); }
progress { width: 100%; height: 6px; accent-color: var(--accent); }
#dropOverlay {
  position: fixed; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--bg) 70%, transparent); pointer-events: none;
}
#dropOverlay div {
  padding: 24px 32px; border-radius: 12px; border: 2px dashed var(--accent); background: var(--panel);
  font-size: 16px; font-weight: 600;
}

/* 零件列表 */
.part-list { position: relative; list-style: none; margin: 0; padding: 0; max-height: min(62vh, 520px); overflow-y: auto; overscroll-behavior: contain; }
.part-item {
  display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 10px; align-items: start;
  padding: 8px; border-radius: 8px; cursor: pointer; border: 1px solid transparent;
}
.part-item + .part-item { margin-top: 2px; }
.part-item:hover { background: var(--row-hover); }
.part-item.selected { background: var(--row-selected); }
.part-item:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.part-item.problem { border-color: color-mix(in srgb, var(--bad) 55%, transparent); }
.swatch { width: 12px; height: 12px; border-radius: 3px; margin-top: 4px; }
.part-name { font-weight: 600; overflow-wrap: anywhere; }
.part-meta { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.part-check { font-size: 12px; }
.tag {
  display: inline-block; margin-left: 4px; padding: 0 6px; border-radius: 4px; font-size: 11px; font-weight: 500;
  border: 1px solid var(--border); color: var(--muted); vertical-align: 1px;
}
.tag.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.tag.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 50%, transparent); }
.icon-btn {
  border: none; background: transparent; color: var(--muted); padding: 0 6px; font-size: 18px; line-height: 1.2;
}
.icon-btn:hover { color: var(--bad); }
.totals { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }

/* 选中零件的设置 */
.part-title { font-weight: 600; overflow-wrap: anywhere; }
.rot-grid { display: grid; grid-template-columns: auto repeat(2, minmax(0, 1fr)); gap: 6px 8px; align-items: center; max-width: 320px; }
.rot-grid .axis { font-weight: 600; color: var(--muted); }
.rot-grid button { padding: 4px 8px; font-variant-numeric: tabular-nums; }
.stats { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 12px; margin: 0; font-size: 13px; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* 3D 视图 */
.view-wrap {
  position: relative; height: 460px; border-radius: 8px; overflow: hidden; border: 1px solid var(--border);
  background: var(--view-bg);
}
@media (max-width: 860px) { .view-wrap { height: 360px; } }
@media (max-width: 480px) { .view-wrap { height: 300px; } }
.view-wrap canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.view-wrap canvas.picking { cursor: crosshair; }
.view-overlay {
  position: absolute; left: 8px; right: 8px; top: 8px; padding: 6px 10px; border-radius: 6px; font-size: 13px;
  background: color-mix(in srgb, var(--panel) 88%, transparent); border: 1px solid var(--accent);
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between;
}
.view-overlay button { padding: 2px 10px; }
.view-message {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 16px; color: var(--muted); pointer-events: none;
}
.warnings { list-style: none; margin: 8px 0 0; padding: 0; }
.warnings li { padding: 6px 10px; border-radius: 6px; margin-top: 6px; font-size: 13px; }
.warnings li.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 9%, transparent); }
.warnings li.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.warnings li.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 9%, transparent); }

/* 导出 */
.export-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px; margin: 8px 0; }
.export-btn { text-align: left; display: flex; flex-direction: column; gap: 2px; padding: 8px 12px; }
.export-btn b { font-size: 14px; }
.export-btn span { font-size: 12px; opacity: .85; }
.export-btn.secondary span { color: var(--muted); opacity: 1; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; white-space: nowrap; }
.guide-table td:first-child { font-weight: 600; white-space: nowrap; }
.guide-table { font-size: 13px; }
/* 窄屏：每个软件一块，软件名和格式在一行，说明在下面 */
@media (max-width: 560px) {
  .guide-table thead { display: none; }
  .guide-table tr { display: block; padding: 6px 0; border-bottom: 1px solid var(--border); }
  .guide-table td { display: inline; border: none; padding: 0; }
  .guide-table td:nth-child(2) { margin-left: 6px; color: var(--accent); font-weight: 600; }
  .guide-table td:nth-child(3) { display: block; margin-top: 2px; color: var(--muted); }
}
details > summary { cursor: pointer; color: var(--muted); }
details[open] > summary { margin-bottom: 6px; }

/* CNC / 激光 */
.slider-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.slider-row input[type=number] { width: 84px; }
.section-preview {
  border: 1px solid var(--border); border-radius: 8px; background: var(--view-bg); height: 220px; padding: 8px;
}
.section-preview svg { width: 100%; height: 100%; display: block; }
.section-preview .outer { fill: var(--section-fill); stroke: var(--section); }
.section-preview .hole { fill: var(--view-bg); stroke: var(--section); }
.section-preview .open { fill: none; stroke: var(--bad); stroke-dasharray: 3 2; }

/* G-code 串口 */
.log {
  background: var(--log-bg); color: var(--log-text); border-radius: 6px; padding: 8px;
  height: 220px; min-height: 120px; resize: vertical; overflow: auto;
  font: 12px/1.45 ui-monospace, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere;
}
.status { color: var(--muted); }
.status.on { color: var(--ok); font-weight: 600; }
.serial-controls button { min-width: 84px; }

/* 帮助 */
.faq details { border-top: 1px solid var(--border); padding: 10px 0; }
.faq details:first-of-type { border-top: none; padding-top: 0; }
.faq summary { color: var(--text); font-weight: 600; }
.faq .answer p, .faq .answer ul { margin: 6px 0; }
.faq .answer ul { padding-left: 1.3em; }
.faq .answer li { margin: 3px 0; }
footer { max-width: 1280px; margin: 0 auto; padding: 0 16px 24px; color: var(--muted); font-size: 12px; }

#toast {
  position: fixed; right: 16px; bottom: 16px; max-width: min(440px, calc(100% - 32px));
  padding: 10px 14px; border-radius: 8px; background: var(--panel); border: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(0,0,0,.15); z-index: 30;
}
#toast.bad { border-color: var(--bad); }